bosulli Zune does not have dry contacts and you will need to purchase an additional relay module for Arduino at 5 volts. This is a very simple task for Z-UNO. If necessary, I will help you. I have z-UNO manages 16 dry contacts and works very well. https://www.aliexpress.com/item/Free-shipping-4-Chan...

PoltoS Thank You ! I really like Z-Uno and right now I'm using 26 channels with the controller Zapato. Z-Uno is now to control the heating of the entire house! Zapato already made changes in the firmware and now the temperature sensors work in the rules. (This is under review). But I do not have eno...